Company Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Inventories consisted of the following, net of reserves of $2.2 million and $0.6 million at December 31, 2014 and 2013, respectively (in thousands):



	December 31,
	2014		2013
Raw materials	$	10,472	$	11,938
Work-in-process (materials, labor and overhead)	6,834		9,831
Finished goods (materials, labor and overhead)	7,457		5,870
Total inventories	$	24,763	$	27,639

Property, Plant and Equipment

Property, plant and equipment consisted of the following (in thousands):



	December 31,
	2014			2013
Equipment, furniture and fixtures	$	64,233		$	69,103
Building and improvements	32,074			25,964
Leased instruments	12,395			7,223
Land	1,080			1,080
Total property, plant and equipment, gross	109,782			103,370
Less: accumulated depreciation and amortization	(60,556		)	(55,313		)
Total property, plant and equipment, net	$	49,226		$	48,057

Summary of Intangible Assets

Goodwill and intangible assets consisted of the following (dollar amounts in thousands):



		December 31, 2014							December 31, 2013
Description	Weighted-average useful life (years)	Gross assets		Accumulated amortization			Net		Gross assets		Accumulated amortization			Net
Goodwill	Indefinite	$	84,197	$	(3,449	)	$	80,748	$	84,212	$	(3,449	)	$	80,763
Purchased technology	8.4	51,870		(28,570		)	23,300		51,870		(22,287		)	29,583
Customer relationships	7.5	7,214		(3,978		)	3,236		7,250		(2,954		)	4,296
In-process research and development	Indefinite	690		—			690		2,260		—			2,260
License agreements	5.9	34,324		(30,050		)	4,274		34,330		(21,374		)	12,956
Patent and trademark costs	12.3	10,530		(1,725		)	8,805		10,530		(861		)	9,669
Software development costs	5	2,849		(1,264		)	1,585		4,191		(693		)	3,498
Total goodwill and intangible assets		$	191,674	$	(69,036	)	$	122,638	$	194,643	$	(51,618	)	$	143,025

Summary of Expected Future Annual Amortization Expense

The expected future annual amortization expense of the Company’s intangible assets is as follows (in thousands):



For the years ending December 31,	Amortization expense
2015	$	10,044
2016	9,210
2017	8,913
2018	3,342
2019	2,085
Thereafter	7,606
Total	$	41,200

Schedule of Other Current Liabilities

Other current liabilities—Other current liabilities consisted of the following (in thousands):



	December 31,
	2014		2013
Customer incentives	$	4,233	$	3,068
Accrued research and development costs	990		240
Other	2,820		2,303
Total other current liabilities	$	8,043	$	5,611

Basic and Diluted EPS

The following table sets forth the computation of basic and diluted earnings per share for the years ended December 31, 2013 and 2012 (in thousands, except per share amounts):



	2013			2012
Basic net income per share:
Net income	$	7,390		$	4,993
Less: income allocated to participating securities	(17		)	(28		)
Net income allocated to common stockholders	$	7,373		$	4,965
Weighted average common shares outstanding — basic	33,836			33,068
Net income per share — basic	$	0.22		$	0.15
Diluted net income per share:
Net income	$	7,390		$	4,993
Less: income allocated to participating securities	(16		)	(27		)
Net income allocated to common stockholders	$	7,374		$	4,966
Weighted average common shares outstanding — basic	33,836			33,068
Dilutive securities	1,111			634
Weighted average common shares outstanding — diluted	34,947			33,702
Net income per share — diluted	$	0.21		$	0.15